Main character Talis is voiced by Ryo Nezuka, the heroine Toni is voiced by Erika Ishitobi, and the mechanic Yokky is voiced by Yoji Ikuta.
The three new characters include:
- Po-M (voiced by Rika Tachibana) – A female-type android who manages the Iron Base. Her formal name is “Post Human Modified Class M.”
- Jingorou (voiced by Jin Urayama) – A tank maintenance specialist.
- Dannunzio (voiced by Gou Shinohara) – The drag queen caretaker of the Iron Base.